mm, compaction: ignore pageblock skip when manually invoking compaction

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The cached pageblock hint should be ignored when triggering compaction
through /proc/sys/vm/compact_memory so all eligible memory is isolated.
Manually invoking compaction is known to be expensive, there's no need
to skip pageblocks based on heuristics (mainly for debugging).

Signed-off-by: David Rientjes <rientjes@google.com>
Acked-by: Mel Gorman <mgorman@suse.de>
Cc: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

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David Rientjes 2014-04-03 14:47:23 -07:00 • committed by Linus Torvalds

parent 3115cd9145

commit 91ca918648

1 changed files with 1 additions and 0 deletions

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mm/compaction.c

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